diff --git src/wp-admin/admin-header.php src/wp-admin/admin-header.php
index d5ceecc..f582ed5 100644
--- src/wp-admin/admin-header.php
+++ src/wp-admin/admin-header.php
@@ -34,10 +34,10 @@
 
 if ( is_network_admin() ) {
 	/* translators: Network admin screen title. 1: Network name */
-	$admin_title = sprintf( __( 'Network Admin: %s' ), esc_html( get_network()->site_name ) );
+	$admin_title = sprintf( __( 'Network Admin: %s' ), esc_html( get_site_option( 'site_name' ) ) );
 } elseif ( is_user_admin() ) {
 	/* translators: User dashboard screen title. 1: Network name */
-	$admin_title = sprintf( __( 'User Dashboard: %s' ), esc_html( get_network()->site_name ) );
+	$admin_title = sprintf( __( 'User Dashboard: %s' ), esc_html( get_site_option( 'site_name' ) ) );
 } else {
 	$admin_title = get_bloginfo( 'name' );
 }
diff --git src/wp-admin/user/admin.php src/wp-admin/user/admin.php
index 3d5063c..ec01a86 100644
--- src/wp-admin/user/admin.php
+++ src/wp-admin/user/admin.php
@@ -11,14 +11,16 @@
 
 require_once( dirname(dirname(__FILE__)) . '/admin.php');
 
-if ( ! is_multisite() ) {
-	wp_redirect( admin_url() );
-	exit;
+if ( is_multisite() ) {
+	$redirect_user_admin_request = ( ( $current_blog->domain !== $current_site->domain ) || ( $current_blog->path !== $current_site->path ) );
+	$redirect_to_url             = user_admin_url();
+} else {
+	$redirect_user_admin_request = true;
+	$redirect_to_url             = admin_url( 'profile.php' );
 }
 
-$redirect_user_admin_request = ( ( $current_blog->domain != $current_site->domain ) || ( $current_blog->path != $current_site->path ) );
 /**
- * Filters whether to redirect the request to the User Admin in Multisite.
+ * Filters whether to redirect the request to the User Admin.
  *
  * @since 3.2.0
  *
@@ -26,7 +28,7 @@
  */
 $redirect_user_admin_request = apply_filters( 'redirect_user_admin_request', $redirect_user_admin_request );
 if ( $redirect_user_admin_request ) {
-	wp_redirect( user_admin_url() );
+	wp_redirect( $redirect_to_url );
 	exit;
 }
-unset( $redirect_user_admin_request );
+unset( $redirect_user_admin_request, $redirect_to_url );
diff --git src/wp-includes/admin-bar.php src/wp-includes/admin-bar.php
index 98a0523..2a9fdef 100644
--- src/wp-includes/admin-bar.php
+++ src/wp-includes/admin-bar.php
@@ -313,10 +313,10 @@
 
 	if ( is_network_admin() ) {
 		/* translators: %s: site name */
-		$blogname = sprintf( __( 'Network Admin: %s' ), esc_html( get_network()->site_name ) );
+		$blogname = sprintf( __( 'Network Admin: %s' ), esc_html( get_site_option( 'site_name' ) ) );
 	} elseif ( is_user_admin() ) {
 		/* translators: %s: site name */
-		$blogname = sprintf( __( 'User Dashboard: %s' ), esc_html( get_network()->site_name ) );
+		$blogname = sprintf( __( 'User Dashboard: %s' ), esc_html( get_site_option( 'site_name' ) ) );
 	}
 
 	$title = wp_html_excerpt( $blogname, 40, '…' );